Hehehe funny that there is still people answering the second ridle when I didn't even want an answer. Anyway, about the first one, the fact is that in my AI class we discussed about how a computer would be able to make the difference between a noise and a music. Like the tree falling and the bird like I said. So seems like at least a couple of person did really tryed to anser the question, not only say Interpretation or not, sound is the vibration of air, period. Whether or not we can hear it is another matter... Yes it DOES matter when you'll have to make a computer understand the difference between the tree and the bird. You have to find a way to define noise, because noise doesnt exist in nature, we created noise. If we say a chair, everyone know what it is, but if I say there's a noise... What kind? Plane, car accident, stereo of your room mate that is too high, a fart???? There's many possibilities, so how can you get the computer to say it's a noise...?
A sound is heard. If there is nothing to hear it, then there is technically no sound, but just vibrations.
silverpig
Lifer
- Jul 29, 2001
- 27,703
- 12
- 81
Evadman, you've totally messed it up.
If there's no one around to observe whether the tree falls or not, you can say the tree is both on the ground and standing, because both are possible, yet it it impossible to know until observed. Observing the tree doesn't make it fall, it just lets one say whether it has fallen or not. Also, observing the tree does not make the tree make noise. It'll make a noise whether there's someone there or not.
About that light experiment, that's just light diffraction. That doesn't apply here at all. The photons going through the slits interfere with each other, adding constructively and destructively, and producing a pattern of lines on the projection area. They will produce that pattern, whether someone is there or not. When you say they tried to set up an apparatus that would observe the lights and it ended up turning the pattern into a blob, you got that wrong too... What they did was made the dividing piece in between the slots very small and light so that when a photon passed by it, the piece would be moved, that movement would be detected, and therefore one could tell which slot the photon went through. What happened was when the piece is massive enough, it doesn't move, nothing can be determined about which slit the photon passed through, and the pattern is projected. When the piece is small enough that it will move when a photon passes it, the pattern is gone, because the slit no longer divides the photons, and they basically pass through the piece...
Nice try though 🙂
If there's no one around to observe whether the tree falls or not, you can say the tree is both on the ground and standing, because both are possible, yet it it impossible to know until observed. Observing the tree doesn't make it fall, it just lets one say whether it has fallen or not. Also, observing the tree does not make the tree make noise. It'll make a noise whether there's someone there or not.
About that light experiment, that's just light diffraction. That doesn't apply here at all. The photons going through the slits interfere with each other, adding constructively and destructively, and producing a pattern of lines on the projection area. They will produce that pattern, whether someone is there or not. When you say they tried to set up an apparatus that would observe the lights and it ended up turning the pattern into a blob, you got that wrong too... What they did was made the dividing piece in between the slots very small and light so that when a photon passed by it, the piece would be moved, that movement would be detected, and therefore one could tell which slot the photon went through. What happened was when the piece is massive enough, it doesn't move, nothing can be determined about which slit the photon passed through, and the pattern is projected. When the piece is small enough that it will move when a photon passes it, the pattern is gone, because the slit no longer divides the photons, and they basically pass through the piece...
Nice try though 🙂
silverpig
Lifer
- Jul 29, 2001
- 27,703
- 12
- 81
<<A sound is heard. If there is nothing to hear it, then there is technically no sound, but just vibrations.>>
sound1 Pronunciation Key (sound)
n.
Vibrations transmitted through an elastic solid or a liquid or gas, with frequencies in the approximate range of 20 to 20,000 hertz, capable of being detected by human organs of hearing.
Transmitted vibrations of any frequency.
The sensation stimulated in the organs of hearing by such vibrations in the air or other medium.
Such sensations considered as a group.
A distinctive noise: a hollow sound.
The distance over which something can be heard: within sound of my voice.
Linguistics.
An articulation made by the vocal apparatus: a vowel sound.
The distinctive character of such an articulation: The words bear and bare have the same sound.
A mental impression; an implication: didn't like the sound of the invitation.
Auditory material that is recorded, as for a movie.
Meaningless noise.
Music. A distinctive style, as of an orchestra or a singer.
Archaic. Rumor; report.
Anyone care to point out where sound is REQUIRED to be heard by a person?
sound1 Pronunciation Key (sound)
n.
Vibrations transmitted through an elastic solid or a liquid or gas, with frequencies in the approximate range of 20 to 20,000 hertz, capable of being detected by human organs of hearing.
Transmitted vibrations of any frequency.
The sensation stimulated in the organs of hearing by such vibrations in the air or other medium.
Such sensations considered as a group.
A distinctive noise: a hollow sound.
The distance over which something can be heard: within sound of my voice.
Linguistics.
An articulation made by the vocal apparatus: a vowel sound.
The distinctive character of such an articulation: The words bear and bare have the same sound.
A mental impression; an implication: didn't like the sound of the invitation.
Auditory material that is recorded, as for a movie.
Meaningless noise.
Music. A distinctive style, as of an orchestra or a singer.
Archaic. Rumor; report.
Anyone care to point out where sound is REQUIRED to be heard by a person?
If a man is standing in the middle of the forest speaking and there is no woman around to hear him...is he still wrong?
the scuba guy one, was that he was swimming in the lake, and the airplane to dump water on the fire scooped him up too. I'm pretty sure that this IS a true story. If it in fact is, then it happened during the painted cave fire near Santa Barbara...
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